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Losing connection with switching apps in iOS (Read 2 times)


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marioair
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I was wondering if you can help - I'm being bounced between various people to find the answer!

I have SD using PilotAware as GPS source all running on Ipad Mini ios12

If i minimise skydemon (switch apps or go to home screen) after about 5 mins (reproducible consistently and even at home when not flying) it will lose the GPS/Wifi from PaW. It comes up with the "no signal received for some time..." message

I'm pretty sure its a PaW problem, as when i use the IPAD internal GPS and switch SD to background, SD still works fine, so I think its something to do with the wifi connection to PaW. Is there any logging in SD i can get it to prove if this is the case? 

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Tim Dawson
Tim Dawson
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As soon as you close SkyDemon, all its network connections are also closed. Same with any app. Because SkyDemon is using a network connection to a PilotAware, that connection is closed. It is literally impossible for SkyDemon to log your position, warn you about anything, or do anything useful if you minimise it or put your iPad to sleep when connected to a PilotAware.

iOS behaves differently when it comes to its internal GPS or any compatible Bluetooth GPS that uses location services; in this case, SkyDemon is able to keep logging because iOS handles is specially.

So, what we can do about this depends upon what you actually perceive as the problem. If the problem is that SkyDemon isn't logging any more or warning, we can't do anything about that. If the problem is that you'd like SkyDemon to attempt to reconnect to your device once you've woken it up again, we can do something about that. You'll still have broken logs though.

marioair
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Hi Timothy

What you say doesn’t seem to quite make sense with what we are seeing. For example, if I kick off a Netflix download and then minimise the app it still continues its download.
I also see there’s a function on iOS called “background App refresh” but SD isn’t compatible?
TimT
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marioair - 6/24/2019 10:47:44 AM
Hi TimothyWhat you say doesn’t seem to quite make sense with what we are seeing. For example, if I kick off a Netflix download and then minimise the app it still continues its download. I also see there’s a function on iOS called “background App refresh” but SD isn’t compatible?

Yes, And Google Maps for example pushes turn by turn instruction banners to the top of my iPhone screen, even if a switch to another app in the foreground ...

marioair
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TimT it depends if google maps has a GPS connection too. Timothy is saying GPS connection works different to WIFI??
However I’m sure there’s some WiFi connected apps that work in background no problem.
TimT
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Tim Dawson - 6/24/2019 10:37:13 AM
As soon as you close SkyDemon, all its network connections are also closed. Same with any app. Because SkyDemon is using a network connection to a PilotAware, that connection is closed. It is literally impossible for SkyDemon to log your position, warn you about anything, or do anything useful if you minimise it or put your iPad to sleep when connected to a PilotAware.

iOS behaves differently when it comes to its internal GPS or any compatible Bluetooth GPS that uses location services; in this case, SkyDemon is able to keep logging because iOS handles is specially.

So, what we can do about this depends upon what you actually perceive as the problem. If the problem is that SkyDemon isn't logging any more or warning, we can't do anything about that. If the problem is that you'd like SkyDemon to attempt to reconnect to your device once you've woken it up again, we can do something about that. You'll still have broken logs though.


If the problem is that you'd like SkyDemon to attempt to reconnect to your device once you've woken it up again, we can do something about that.

Yes that already would be a great improvement.

You'll still have broken logs though.

I understand.

Edited 6/24/2019 11:42:31 AM by TimT
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marioair - 6/19/2019 8:32:36 PM
pilot-byom - 6/20/2019 4:54:58 PM
marioair - 6/20/2019 6:24:50 PM
PaulSS - 6/21/2019 10:09:30 AM
marioair - 6/21/2019 10:37:30 AM
marioair - 6/21/2019 5:44:10 PM
TimT - 6/22/2019 7:20:18 AM
marioair - 6/22/2019 2:56:42 PM
TimT - 6/22/2019 4:21:46 PM
leemoore1966 - 6/23/2019 1:46:42 PM
TimT - 6/23/2019 2:03:31 PM
marioair - 6/23/2019 2:07:38 PM
marioair - 6/23/2019 2:08:47 PM
                         Garmin Glo is Bluetooth based. No problems there.
TimT - 6/23/2019 2:42:24 PM
                             I have a Golze ADL so I’ll try it with that.
marioair - 6/23/2019 2:54:26 PM
Tim Dawson - 6/24/2019 10:37:13 AM
marioair - 6/24/2019 10:47:44 AM
TimT - 6/24/2019 11:44:33 AM
marioair - 6/24/2019 12:56:23 PM
TimT - 6/24/2019 11:41:54 AM
Tim Dawson - 6/24/2019 1:30:20 PM
marioair - 6/24/2019 2:10:52 PM
marioair - 6/24/2019 4:59:28 PM
marioair - 6/25/2019 4:53:32 PM
Tim Dawson - 6/26/2019 10:43:01 AM
marioair - 6/26/2019 12:14:43 PM
Tim Dawson - 6/28/2019 10:08:00 AM
marioair - 6/28/2019 8:39:00 PM
             Thank you, this is working fine now.,
TimT - 8/25/2019 8:36:01 PM
marioair - 8/25/2019 9:41:43 PM

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